Senior Software Engineer with 7+ years of experience designing and delivering scalable SaaS platforms, AI-powered applications, and distributed systems across enterprise software, eCommerce, and fintech. Strong expertise in backend engineering and modern full-stack development, building secure and highly available services and cloud-native microservices. Proficient in Python, FastAPI, Django, React, Next.js, PostgreSQL, Kafka, Redis, Kubernetes, and cloud platforms (AWS/GCP). Experienced in machine learning infrastructure, workflow automation, observability, and optimizing database performance for high-volume analytical and transactional workloads.…

Stefan

Senior Software Engineer with 7+ years of experience designing and delivering scalable SaaS platforms, AI-powered applications, and distributed systems across enterprise software, eCommerce, and fintech. Strong expertise in backend engineering and modern full-stack development, building secure and highly available services and cloud-native microservices. Proficient in Python, FastAPI, Django, React, Next.js, PostgreSQL, Kafka, Redis, Kubernetes, and cloud platforms (AWS/GCP). Experienced in machine learning infrastructure, workflow automation, observability, and optimizing database performance for high-volume analytical and transactional workloads.…

Available to hire

Senior Software Engineer with 7+ years of experience designing and delivering scalable SaaS platforms, AI-powered applications, and distributed systems across enterprise software, eCommerce, and fintech. Strong expertise in backend engineering and modern full-stack development, building secure and highly available services and cloud-native microservices.

Proficient in Python, FastAPI, Django, React, Next.js, PostgreSQL, Kafka, Redis, Kubernetes, and cloud platforms (AWS/GCP). Experienced in machine learning infrastructure, workflow automation, observability, and optimizing database performance for high-volume analytical and transactional workloads.

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Skills

Experience Level

Python
Expert
API
Expert
AWS
Expert
Django
Expert
PostgreSQL
Expert
SQL
Expert
Docker
Expert
Kubernetes
Expert
React JS
Expert
Redis
Expert
TypeScript
Expert
Google Cloud
Expert
PyTorch
Expert
TensorFlow
Expert
MongoDB
Beginner
Node.js
Beginner
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Work Experience

Senior Software Engineer at Humanloop
November 1, 2025 - Present
Architected AI platform services using FastAPI, delivering scalable APIs for model evaluation, prompt management, and enterprise workflow orchestration. Built internal applications with React, Next.js, and TypeScript for dataset management, experiment monitoring, and model performance analysis. Designed distributed microservices using Kafka, Celery, and Redis for reliable asynchronous execution of evaluation pipelines and operational workflows. Engineered optimized PostgreSQL schemas and ORM queries improving performance across high-volume analytical and transactional workloads. Built machine learning pipelines using PyTorch and TensorFlow for NLP, computer vision, and automated model evaluation; implemented retrieval and data-processing services integrating vector search, embedding pipelines, and cloud-native storage to improve AI response quality and operational efficiency. Deployed production workloads on AWS, GCP, Docker, and Kubernetes to improve scalability, automated deployments
Software Engineer at Arive
June 1, 2022 - October 1, 2025
Developed scalable eCommerce applications using Django, Django REST Framework, React, and TypeScript for inventory management, order processing, and customer purchasing workflows. Built secure REST APIs connecting frontend applications with distributed backend services responsible for warehouse operations, logistics, and payment processing. Optimized PostgreSQL databases through schema refinement, indexing strategies, and ORM tuning, improving performance for high-volume transactional workloads. Implemented responsive user interfaces with React, integrating real-time operational data and customer order information via scalable API services. Containerized backend services using Docker and Kubernetes, deploying cloud-native applications across AWS with automated CI/CD pipelines. Developed resilient transaction workflows ensuring consistency, fault tolerance, and auditability across payment, fulfillment, and inventory operations. Enhanced application performance by introducing intelligent
Software Engineer at Holy Code
July 1, 2019 - May 1, 2022
Developed enterprise SaaS platforms using Django, Flask, React, and JavaScript, delivering secure business applications for fintech, healthcare, and SaaS clients across Europe. Built maintainable REST APIs integrating customer portals, workflow automation systems, and third-party enterprise services. Designed responsive frontend interfaces using React, HTML5, CSS3, and JavaScript to improve user experience across customer-facing business applications. Containerized applications with Docker and supported cloud deployments on AWS, improving development consistency and production reliability. Optimized backend performance through ORM improvements, database tuning, API optimization, and scalable application architecture. Collaborated with Swiss and German engineering teams throughout Agile delivery cycles, translating business requirements into production-ready software solutions. Participated in architecture reviews, code reviews, and automated testing initiatives that strengthened softwa

Education

BSc Computer Science at University of Novi Sad
January 1, 2015 - January 1, 2019
BSc Computer Science at University of Novi Sad
January 1, 2015 - January 1, 2019

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Financial Services, Retail, Other

Skills

Experience Level

Python
Expert
API
Expert
AWS
Expert
Django
Expert
PostgreSQL
Expert
SQL
Expert
Docker
Expert
Kubernetes
Expert
React JS
Expert
Redis
Expert
TypeScript
Expert
Google Cloud
Expert
PyTorch
Expert
TensorFlow
Expert
MongoDB
Beginner
Node.js
Beginner
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